Which of the following numbers will replace the question

Complete the following series:

AP, DQ, HR, MS, ST, ZU, ?

Choose the pair of words which are differently related from the rest:

Four number-pairs have been given, out of which three are alike in some manner and one is different. Select the one that is different.

Select the correct mirror image from the following options, when the mirror is placed on the right side of the given figure.

The position of how many letters will remain unchanged if each of the letters in the word ‘VIRTUAL’ is arranged in English alphabetical order?

Select the set in which the numbers are related in the same way as are the numbers of the following set.

Three positions of the same dice are given. What will be the digit on the face opposite to the face having the digit 3"

Select the set in which the numbers are related in the same way as are the numbers of the given sets.

After arranging the given words according to dictionary order, which word will come at 'Fifth' position?

1. Source

2. Sound

3. Soup

4. Sour

5. Soul